CHAPTER 2 CHEMICAL FORMULAS & COMPOSITION STOICHIOMETRY 1 Chapter Goals 1. 2. 3. 4. Atoms and Molecules Chemical Formulas Ions and Ionic Compounds Names and Formulas…

1. PERIODICITY 2. PERIODICITY - the trends in the behavior of the elements. arises from the periodic patterns in the electron configuration of the element. Periodic Laws…

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1. Atom – the smallest unit of matter “indivisible” Helium atom 2. electron shells a) Atomic number = number of Electrons b) Electrons vary in the amount of energy…

1. Periodic Table of Elements 2. Analyse the Periodic Table of Elements Analyse Group 18 elements Analyse Group 1 elements Analyse Group 17 elements Analyse…

FIITJCC RANKERS STUDY MATERIAL IIT-JEE, 2002 PHASE -1 CHEMISTRY Time: Two Hours Maximum Marks : 100 Note: i) ii) iii) iv) There are NINE questions in this paper. Attempt…

Acknowledgement:   Information and pictorial illustrations to create this work have been drawn from class notes, prescribed text books and various internet resources.…

PHYSIC S INTRODUCTION As an aviation maintenance technician, you must have a basic knowledge of physics, and the laws that govern the behavior of the materials with which…

Concept Check 2.1 Question: Why are the atomic weights of the elements generally not integers? Cite two reasons. Answer: The atomic weights of the elements ordinarily are…

ATOMIC STRUCTURE 1. (a) ATOM & MOLECULES The smallest particle of a matter that takes part in a chemical reaction is called an atom. The atom of all gases except those…